To add -4 and 5, draw the starting number on a number line and count to the right when adding numbers. What is the difference in temperature between a desert at 40 °C and a mountain top at -2 °C? \(40 ...
MATT: Welcome to The Maths Show with meMatt Parker. Today we’re doing algebra,specifically negative numbers. Nownegative numbers can be quite tricky, infact for a long time mathematiciansrefused to ...
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